[clang] [Clang] Ignore assumptions with side effects at compile time (PR #85534)

[Aaron Ballman via cfe-commits]

AaronBallman wrote:

I think this is also https://eel.is/c++draft/expr.const#6.4, the note is a bit more clear than the standard wording.

https://github.com/llvm/llvm-project/pull/85534